Manfrotto R123.90 Clamp w Lock Handle Screw

– Extended Height: 40cm
– Min Height: 19.6cm
– Top Plate Diameter: 40mm
– Min Tube Diameter: 18.4mm
– Max Tube Diameter: 25.2mm

– Extended Height: 40cm
– Min Height: 19.8cm
– Top Plate Diameter: 40mm
– Min Tube Diameter: 28.6mm
– Max Tube Diameter: 36.2mm

The GoCoupler GSC190 allows you to attach an additional GoRail at the end of the Series 1 SystemGo center column, to make it height adjustable & more versatile.